To find all the divisors of the number 13,826,120:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 13,826,120:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
13,826,120 = 23 × 5 × 7 × 11 × 672
13,826,120 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (3 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (2 + 1) = 4 × 2 × 2 × 2 × 3 = 96
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 13,826,120
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
composite factor = 2
2 =
4
prime factor =
5
prime factor =
7
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 2
2 × 5 =
20
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
composite factor = 5 × 7 =
35
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 11 =
44
composite factor = 5 × 11 =
55
composite factor = 2
3 × 7 =
56
prime factor =
67
composite factor = 2 × 5 × 7 =
70
composite factor = 7 × 11 =
77
composite factor = 2
3 × 11 =
88
composite factor = 2 × 5 × 11 =
110
composite factor = 2 × 67 =
134
composite factor = 2
2 × 5 × 7 =
140
composite factor = 2 × 7 × 11 =
154
composite factor = 2
2 × 5 × 11 =
220
composite factor = 2
2 × 67 =
268
composite factor = 2
3 × 5 × 7 =
280
composite factor = 2
2 × 7 × 11 =
308
composite factor = 5 × 67 =
335
composite factor = 5 × 7 × 11 =
385
composite factor = 2
3 × 5 × 11 =
440
composite factor = 7 × 67 =
469
composite factor = 2
3 × 67 =
536
composite factor = 2
3 × 7 × 11 =
616
composite factor = 2 × 5 × 67 =
670
composite factor = 11 × 67 =
737
composite factor = 2 × 5 × 7 × 11 =
770
composite factor = 2 × 7 × 67 =
938
composite factor = 2
2 × 5 × 67 =
1,340
composite factor = 2 × 11 × 67 =
1,474
composite factor = 2
2 × 5 × 7 × 11 =
1,540
composite factor = 2
2 × 7 × 67 =
1,876
composite factor = 5 × 7 × 67 =
2,345
composite factor = 2
3 × 5 × 67 =
2,680
composite factor = 2
2 × 11 × 67 =
2,948
composite factor = 2
3 × 5 × 7 × 11 =
3,080
composite factor = 5 × 11 × 67 =
3,685
This list continues below...
... This list continues from above
composite factor = 2
3 × 7 × 67 =
3,752
composite factor = 67
2 =
4,489
composite factor = 2 × 5 × 7 × 67 =
4,690
composite factor = 7 × 11 × 67 =
5,159
composite factor = 2
3 × 11 × 67 =
5,896
composite factor = 2 × 5 × 11 × 67 =
7,370
composite factor = 2 × 67
2 =
8,978
composite factor = 2
2 × 5 × 7 × 67 =
9,380
composite factor = 2 × 7 × 11 × 67 =
10,318
composite factor = 2
2 × 5 × 11 × 67 =
14,740
composite factor = 2
2 × 67
2 =
17,956
composite factor = 2
3 × 5 × 7 × 67 =
18,760
composite factor = 2
2 × 7 × 11 × 67 =
20,636
composite factor = 5 × 67
2 =
22,445
composite factor = 5 × 7 × 11 × 67 =
25,795
composite factor = 2
3 × 5 × 11 × 67 =
29,480
composite factor = 7 × 67
2 =
31,423
composite factor = 2
3 × 67
2 =
35,912
composite factor = 2
3 × 7 × 11 × 67 =
41,272
composite factor = 2 × 5 × 67
2 =
44,890
composite factor = 11 × 67
2 =
49,379
composite factor = 2 × 5 × 7 × 11 × 67 =
51,590
composite factor = 2 × 7 × 67
2 =
62,846
composite factor = 2
2 × 5 × 67
2 =
89,780
composite factor = 2 × 11 × 67
2 =
98,758
composite factor = 2
2 × 5 × 7 × 11 × 67 =
103,180
composite factor = 2
2 × 7 × 67
2 =
125,692
composite factor = 5 × 7 × 67
2 =
157,115
composite factor = 2
3 × 5 × 67
2 =
179,560
composite factor = 2
2 × 11 × 67
2 =
197,516
composite factor = 2
3 × 5 × 7 × 11 × 67 =
206,360
composite factor = 5 × 11 × 67
2 =
246,895
composite factor = 2
3 × 7 × 67
2 =
251,384
composite factor = 2 × 5 × 7 × 67
2 =
314,230
composite factor = 7 × 11 × 67
2 =
345,653
composite factor = 2
3 × 11 × 67
2 =
395,032
composite factor = 2 × 5 × 11 × 67
2 =
493,790
composite factor = 2
2 × 5 × 7 × 67
2 =
628,460
composite factor = 2 × 7 × 11 × 67
2 =
691,306
composite factor = 2
2 × 5 × 11 × 67
2 =
987,580
composite factor = 2
3 × 5 × 7 × 67
2 =
1,256,920
composite factor = 2
2 × 7 × 11 × 67
2 =
1,382,612
composite factor = 5 × 7 × 11 × 67
2 =
1,728,265
composite factor = 2
3 × 5 × 11 × 67
2 =
1,975,160
composite factor = 2
3 × 7 × 11 × 67
2 =
2,765,224
composite factor = 2 × 5 × 7 × 11 × 67
2 =
3,456,530
composite factor = 2
2 × 5 × 7 × 11 × 67
2 =
6,913,060
composite factor = 2
3 × 5 × 7 × 11 × 67
2 =
13,826,120
96 factors (divisors)
What times what is 13,826,120?
What number multiplied by what number equals 13,826,120?
All the combinations of any two natural numbers whose product equals 13,826,120.
1 × 13,826,120 = 13,826,120
2 × 6,913,060 = 13,826,120
4 × 3,456,530 = 13,826,120
5 × 2,765,224 = 13,826,120
7 × 1,975,160 = 13,826,120
8 × 1,728,265 = 13,826,120
10 × 1,382,612 = 13,826,120
11 × 1,256,920 = 13,826,120
14 × 987,580 = 13,826,120
20 × 691,306 = 13,826,120
22 × 628,460 = 13,826,120
28 × 493,790 = 13,826,120
35 × 395,032 = 13,826,120
40 × 345,653 = 13,826,120
44 × 314,230 = 13,826,120
55 × 251,384 = 13,826,120
56 × 246,895 = 13,826,120
67 × 206,360 = 13,826,120
70 × 197,516 = 13,826,120
77 × 179,560 = 13,826,120
88 × 157,115 = 13,826,120
110 × 125,692 = 13,826,120
134 × 103,180 = 13,826,120
140 × 98,758 = 13,826,120
154 × 89,780 = 13,826,120
220 × 62,846 = 13,826,120
268 × 51,590 = 13,826,120
280 × 49,379 = 13,826,120
308 × 44,890 = 13,826,120
335 × 41,272 = 13,826,120
385 × 35,912 = 13,826,120
440 × 31,423 = 13,826,120
469 × 29,480 = 13,826,120
536 × 25,795 = 13,826,120
616 × 22,445 = 13,826,120
670 × 20,636 = 13,826,120
737 × 18,760 = 13,826,120
770 × 17,956 = 13,826,120
938 × 14,740 = 13,826,120
1,340 × 10,318 = 13,826,120
1,474 × 9,380 = 13,826,120
1,540 × 8,978 = 13,826,120
1,876 × 7,370 = 13,826,120
2,345 × 5,896 = 13,826,120
2,680 × 5,159 = 13,826,120
2,948 × 4,690 = 13,826,120
3,080 × 4,489 = 13,826,120
3,685 × 3,752 = 13,826,120
48 unique multiplications The final answer:
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